Home / 8,333.28-11,480.38-5,810.81

Finding the Fourth Proportional to 8,333.28, 11,480.38 and 5,810.81

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Solution

The fourth proportional to 8,333.28, 11,480.38 and 5,810.81 is: 8,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.28 : 11,480.38 = 5,810.81 : x
  2. Step 2: Convert to fraction form
    8,333.28/11,480.38 = 5,810.81/x
  3. Step 3: Cross multiply
    8,333.28x = 11,480.38 × 5,810.81
  4. Step 4: Simplify right side
    8,333.28x = 66,710,306.91
  5. Step 5: Solve for x
    x = 66,710,306.91/8,333.28
  6. Step 6: Final answer
    x = 8,005.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.